/*
 * Copyright 2017 Huawei Technologies Co., Ltd
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *    http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package io.servicecomb.transport.common;

import org.mockito.Mockito;

import io.protostuff.runtime.ProtobufFeature;
import io.servicecomb.codec.protobuf.definition.OperationProtobuf;
import io.servicecomb.codec.protobuf.definition.ProtobufManager;
import io.servicecomb.core.Invocation;
import io.servicecomb.core.definition.OperationMeta;
import io.servicecomb.transport.highway.HighwayCodec;
import io.servicecomb.transport.highway.HighwayConfig;
import io.servicecomb.transport.highway.message.RequestHeader;
import io.vertx.core.buffer.Buffer;
import mockit.Mock;
import mockit.MockUp;

public class MockUtil {

  private static MockUtil instance = new MockUtil();

  private MockUtil() {

  }

  public static MockUtil getInstance() {
    return instance;
  }

  public void mockHighwayConfig() {

    new MockUp<HighwayConfig>() {
      @Mock
      String getAddress() {
        return "127.0.0.1";
      }
    };
  }

  public RequestHeader requestHeader = new RequestHeader();

  public boolean decodeRequestSucc = true;

  public void mockHighwayCodec() {

    new MockUp<HighwayCodec>() {
      @Mock
      RequestHeader readRequestHeader(Buffer headerBuffer) throws Exception {
        return requestHeader;
      }

      @Mock
      public Invocation decodeRequest(RequestHeader header, OperationProtobuf operationProtobuf,
          Buffer bodyBuffer, ProtobufFeature protobufFeature) throws Exception {
        if (decodeRequestSucc) {
          return Mockito.mock(Invocation.class);
        }

        throw new Error("decode failed");
      }
    };
  }

  public void mockProtobufManager() {

    new MockUp<ProtobufManager>() {
      @Mock
      public OperationProtobuf getOrCreateOperation(OperationMeta operationMeta) throws Exception {
        return Mockito.mock(OperationProtobuf.class);
      }
    };
  }
}
